com.mentor.nucleus.bp.ui.preference.BaseModelEditor.java Source code

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Here is the source code for com.mentor.nucleus.bp.ui.preference.BaseModelEditor.java

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//========================================================================
//
// File:      $RCSfile: BaseModelEditor.java,v $
// Version:   $Revision: 1.7 $
// Modified:  $Date: 2012/01/23 21:28:08 $
//
// (c) Copyright 2004-2014 by Mentor Graphics Corp. All rights reserved.
//
//========================================================================
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License.  You may obtain a copy
// of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   See the
// License for the specific language governing permissions and limitations under
// the License.
//========================================================================

package com.mentor.nucleus.bp.ui.preference;

import org.eclipse.jface.preference.PreferencePage;

/**
 * @author babar_ali
 */
public abstract class BaseModelEditor extends PreferencePage implements IPreferenceModelEditor {
    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */

    protected IPreferenceModel model;
    protected IPreferenceModel clonedModel;

    public BaseModelEditor() {
        noDefaultAndApplyButton();
    }

    public void setModel(IPreferenceModel aModel) {
        model = aModel;
        clonedModel = (IPreferenceModel) aModel.deepClone();
        synchronizeUITo(clonedModel);
    }

    public IPreferenceModel updateModel() {
        if (model == null)
            throw new IllegalStateException("Model has not be set yet");

        model.synchronizeTo(clonedModel);
        return model;
    }

    public boolean performOk() {
        super.performOk();
        IPreferenceModel model = updateModel();
        BasePlugin plugin = getPlugin();
        model.getStore().saveModel(plugin.getPreferenceStore(), model);
        return true;
    }

    public void performDefaults() {
        super.performDefaults();
        clonedModel.getStore().restoreModelDefaults(clonedModel);
        synchronizeUITo(clonedModel);
    }

    protected abstract void synchronizeUITo(IPreferenceModel aModel);

    protected abstract BasePlugin getPlugin();
}